// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_base.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/geometry/size_f.h"

namespace gfx {

namespace {

    int TestSizeF(const SizeF& s)
    {
        return s.width();
    }

} // namespace

TEST(SizeTest, ToSizeF)
{
    // Check that implicit conversion from integer to float compiles.
    Size a(10, 20);
    float width = TestSizeF(a);
    EXPECT_EQ(width, a.width());

    SizeF b(10, 20);

    EXPECT_EQ(a, b);
    EXPECT_EQ(b, a);
}

TEST(SizeTest, ToFlooredSize)
{
    EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0, 0)));
    EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0.0001f, 0.0001f)));
    EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0.4999f, 0.4999f)));
    EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0.5f, 0.5f)));
    EXPECT_EQ(Size(0, 0), ToFlooredSize(SizeF(0.9999f, 0.9999f)));

    EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10, 10)));
    EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.0001f, 10.0001f)));
    EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.4999f, 10.4999f)));
    EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.5f, 10.5f)));
    EXPECT_EQ(Size(10, 10), ToFlooredSize(SizeF(10.9999f, 10.9999f)));
}

TEST(SizeTest, ToCeiledSize)
{
    EXPECT_EQ(Size(0, 0), ToCeiledSize(SizeF(0, 0)));
    EXPECT_EQ(Size(1, 1), ToCeiledSize(SizeF(0.0001f, 0.0001f)));
    EXPECT_EQ(Size(1, 1), ToCeiledSize(SizeF(0.4999f, 0.4999f)));
    EXPECT_EQ(Size(1, 1), ToCeiledSize(SizeF(0.5f, 0.5f)));
    EXPECT_EQ(Size(1, 1), ToCeiledSize(SizeF(0.9999f, 0.9999f)));

    EXPECT_EQ(Size(10, 10), ToCeiledSize(SizeF(10, 10)));
    EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.0001f, 10.0001f)));
    EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.4999f, 10.4999f)));
    EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.5f, 10.5f)));
    EXPECT_EQ(Size(11, 11), ToCeiledSize(SizeF(10.9999f, 10.9999f)));
}

TEST(SizeTest, ToRoundedSize)
{
    EXPECT_EQ(Size(0, 0), ToRoundedSize(SizeF(0, 0)));
    EXPECT_EQ(Size(0, 0), ToRoundedSize(SizeF(0.0001f, 0.0001f)));
    EXPECT_EQ(Size(0, 0), ToRoundedSize(SizeF(0.4999f, 0.4999f)));
    EXPECT_EQ(Size(1, 1), ToRoundedSize(SizeF(0.5f, 0.5f)));
    EXPECT_EQ(Size(1, 1), ToRoundedSize(SizeF(0.9999f, 0.9999f)));

    EXPECT_EQ(Size(10, 10), ToRoundedSize(SizeF(10, 10)));
    EXPECT_EQ(Size(10, 10), ToRoundedSize(SizeF(10.0001f, 10.0001f)));
    EXPECT_EQ(Size(10, 10), ToRoundedSize(SizeF(10.4999f, 10.4999f)));
    EXPECT_EQ(Size(11, 11), ToRoundedSize(SizeF(10.5f, 10.5f)));
    EXPECT_EQ(Size(11, 11), ToRoundedSize(SizeF(10.9999f, 10.9999f)));
}

TEST(SizeTest, ClampSize)
{
    Size a;

    a = Size(3, 5);
    EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
    a.SetToMax(Size(2, 4));
    EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
    a.SetToMax(Size(3, 5));
    EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
    a.SetToMax(Size(4, 2));
    EXPECT_EQ(Size(4, 5).ToString(), a.ToString());
    a.SetToMax(Size(8, 10));
    EXPECT_EQ(Size(8, 10).ToString(), a.ToString());

    a.SetToMin(Size(9, 11));
    EXPECT_EQ(Size(8, 10).ToString(), a.ToString());
    a.SetToMin(Size(8, 10));
    EXPECT_EQ(Size(8, 10).ToString(), a.ToString());
    a.SetToMin(Size(11, 9));
    EXPECT_EQ(Size(8, 9).ToString(), a.ToString());
    a.SetToMin(Size(7, 11));
    EXPECT_EQ(Size(7, 9).ToString(), a.ToString());
    a.SetToMin(Size(3, 5));
    EXPECT_EQ(Size(3, 5).ToString(), a.ToString());
}

TEST(SizeTest, ClampSizeF)
{
    SizeF a;

    a = SizeF(3.5f, 5.5f);
    EXPECT_EQ(SizeF(3.5f, 5.5f).ToString(), a.ToString());
    a.SetToMax(SizeF(2.5f, 4.5f));
    EXPECT_EQ(SizeF(3.5f, 5.5f).ToString(), a.ToString());
    a.SetToMax(SizeF(3.5f, 5.5f));
    EXPECT_EQ(SizeF(3.5f, 5.5f).ToString(), a.ToString());
    a.SetToMax(SizeF(4.5f, 2.5f));
    EXPECT_EQ(SizeF(4.5f, 5.5f).ToString(), a.ToString());
    a.SetToMax(SizeF(8.5f, 10.5f));
    EXPECT_EQ(SizeF(8.5f, 10.5f).ToString(), a.ToString());

    a.SetToMin(SizeF(9.5f, 11.5f));
    EXPECT_EQ(SizeF(8.5f, 10.5f).ToString(), a.ToString());
    a.SetToMin(SizeF(8.5f, 10.5f));
    EXPECT_EQ(SizeF(8.5f, 10.5f).ToString(), a.ToString());
    a.SetToMin(SizeF(11.5f, 9.5f));
    EXPECT_EQ(SizeF(8.5f, 9.5f).ToString(), a.ToString());
    a.SetToMin(SizeF(7.5f, 11.5f));
    EXPECT_EQ(SizeF(7.5f, 9.5f).ToString(), a.ToString());
    a.SetToMin(SizeF(3.5f, 5.5f));
    EXPECT_EQ(SizeF(3.5f, 5.5f).ToString(), a.ToString());
}

} // namespace gfx
